From 3bf6e9ca0558b398666459c760b7fedce56bfc7e Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@pond.sub.org>
Date: Tue, 3 Feb 2004 17:24:05 +0000
Subject: [PATCH] (map): Reject flags `t' and `r' unless it's a bmap command. 
 Both used to change the map command into the corresponding bmap command,
 which was undocumented and didn't make sense.  From Marc Olzheim.

---
 src/lib/commands/map.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib/commands/map.c b/src/lib/commands/map.c
index 40680750..a777f55e 100644
--- a/src/lib/commands/map.c
+++ b/src/lib/commands/map.c
@@ -138,14 +138,19 @@ map(void)
 	    where = 2;
 	    break;
 	case 't':
+	    if (!bmap)
+		goto bad_flag;
 	    bmap = EF_MAP;
 	    *(b + 1) = 0;
 	    break;
 	case 'r':
+	    if (!bmap)
+		goto bad_flag;
 	    bmap = EF_MAP + EF_BMAP;
 	    *(b + 1) = 0;
 	    break;
 	default:
+	bad_flag:
 	    pr("Bad flag %c!\n", *b);
 	    break;
 	}